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<head>
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  <title>Document</title>
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<body>
<script>
  // ES6声明对象简写
  const age = 12
  const name = "Amy"
  // 传统
  const person1 = {age: age, name: name}
  console.log(person1)
  // ES6 属性名和属性值变量名一样，可以省略
  const person2 = {age, name}
  console.log(person2) //{age: 12, name: "Amy"}
</script>
</body>
</html>